/*
 * Copyright (C) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "drawing_add_text_fuzzer.h"

namespace {
std::unique_ptr<char[]> GetRandomString(const char* data, size_t size)
{
    std::unique_ptr<char[]> dest = std::make_unique<char[]>(size);
    if (memcpy_s(dest.get(), size, data, size) != EOK) {
        return nullptr;
    }
    return dest;
}
} // namespace

namespace OHOS::Rosen::Drawing {
void OHDrawingAddTextTest(const uint8_t* data, size_t size)
{
    if (data == nullptr || size == 0) {
        return;
    }

    std::unique_ptr str = GetRandomString(reinterpret_cast<const char*>(data), size);

    OH_Drawing_FontCollection* fc = OH_Drawing_GetFontCollectionGlobalInstance();
    OH_Drawing_TypographyStyle* typoStyle = OH_Drawing_CreateTypographyStyle();
    OH_Drawing_TypographyCreate* handler = OH_Drawing_CreateTypographyHandler(typoStyle, fc);
    OH_Drawing_TypographyHandlerAddEncodedText(handler, str.get(), size, TEXT_ENCODING_UTF8);
    OH_Drawing_TypographyHandlerAddEncodedText(handler, str.get(), size, TEXT_ENCODING_UTF16);
    OH_Drawing_TypographyHandlerAddEncodedText(handler, str.get(), size, TEXT_ENCODING_UTF32);
    OH_Drawing_Typography* typography = OH_Drawing_CreateTypography(handler);
    OH_Drawing_TypographyLayout(typography, 1000.0f);

    OH_Drawing_DestroyFontCollection(fc);
    OH_Drawing_DestroyTypographyStyle(typoStyle);
    OH_Drawing_DestroyTypographyHandler(handler);
    OH_Drawing_DestroyTypography(typography);
}
} // namespace OHOS::Rosen::Drawing

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    /* Run your code on data */
    OHOS::Rosen::Drawing::OHDrawingAddTextTest(data, size);
    return 0;
}